how to find the arc when the angle outside is 50 degrees
find square root of -8-6rootover -1
simplify: l sq+ m sq ; m sq - n sq + p sq ; n sq + l sq + a sq + 2lm + 2mn + 2nl + p + a
0.4X-1.5Y=6.5; 0.3X+0.2Y=0.9
25-2 (13-17)
12x-y=1
4x-2y=2
Express (3√5 - √3)/(2√5 + 3√3) in the form a√15 + b, where a and b are rational numbers.
make x the subject of x-7=v
IF X^4=-16, THN X=?
2x+3/y=5
5x-2/y=3
prove x=2,y=2